Lyme Isn’t the Only Disease Ticks Are Spreading This Summer by Megan Molteni from on 2017-05-29 11:00 (#2R4T2) The only way to know the risk of Powassan virus is to collect more data. But that's not as easy as it sounds. The post Lyme Isn't the Only Disease Ticks Are Spreading This Summer appeared first on WIRED.